.div_background{
    position: absolute;padding-left:250px;padding-top: 100px;width: 80%;text-align: center;
}
.textarea{
    margin-top: 5px;
    width: 60%;
}
.input{
    margin-top: 5px;
    width: 200px;
}
.button{
    color: #FFFFFF;
    border: 1px solid #6D7C8C;
    position: absolute;left: 250px;
    width: 50px;
    margin-top: 5px;
    background-position-x: 0px;
    background-position-y: 0px;
}
.div_message_font{

}
.div_message{
   border:1px solid rgba(155, 192, 255, 0.02); height:150px;
   margin-top: 50px; 
}
.line_top{
    border-bottom: 1px solid #9bc0ff;
}
.line_bottom{
    border-bottom: 1px solid #9bc0ff;
    margin-top: 150px;
}
.span_content{
    margin-top: 30px;
    position: absolute;left: 280px;
}
.span_time{
    margin-top: 100px;
    position: absolute;left: 280px;
}
